main.cpp

00001 #include "mbed.h"
00002 
00003 /********************
00004  * Interactive Device Design Custom Class Demonstration
00005  * bjoern@eecs.berkeley.edu, 9/23/2015
00006  ********************/
00007 
00008 
00009 class RGBLed {
00010 public:
00011     
00012     // constructor - same name as class, does nothing
00013     RGBLed () {
00014     }
00015     
00016     //set red, green, blue of on-board LED
00017     // r,g,b range from 0.0(off) to 1.0(full on)
00018     void setColor(float r, float g, float b){
00019         PwmOut redPin(LED_RED);
00020         PwmOut greenPin(LED_GREEN);
00021         PwmOut bluePin(LED_BLUE);
00022         redPin = 1.0-r; //invert: PWM 0=on, 1.0=off
00023         bluePin = 1.0-b;
00024         greenPin = 1.0-g;
00025     }
00026 private:
00027     //no private methods or fields
00028 };
00029 
00030     
00031 RGBLed myLed; //declare a variable of our new class type
00032 
00033 int main() {
00034     while(1) {
00035         myLed.setColor(1.0, 0.0, 0.0); //call the member function setColor() - this is red
00036         wait(0.2);
00037         myLed.setColor(0.0, 1.0, 0.0); //this is green
00038         wait(0.2);
00039     }
00040 }